/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ai.h2o.sparkling.sql

import org.apache.spark.sql.expose.SparkUserDefinedFunction
import org.apache.spark.sql.expressions.UserDefinedFunction
import org.apache.spark.sql.types.DataType

/**
  * This objects contains functions from org.apache.spark.sql.functions which are not compatible across all Spark
  * versions supported by Sparkling Water.
  */
object functions {
  def udf(f: AnyRef, dataType: DataType): UserDefinedFunction = {
    SparkUserDefinedFunction(f, dataType, inputEncoders = Nil)
  }
}
